Fit stair nosings — HomeGraft

Fit anti-slip nosings to stair tread edges, checking for hidden cables before drilling, to make stairs safer and longer-lasting.

SN-01Choose the right nosing for your stairsMatch the nosing to your stair covering: aluminium anti-slip nosing for laminate or vinyl treads, a wooden nosing for solid wood or carpeted stairs, or a rubber/PVC nosing for safety flooring. Check the new nosing's thickness against the current tread edge, since a much thicker profile changes the depth of each step. If you're not sure your stairs already meet current dimensions, keep the new profile close to what's there now.

RULES

1 each · Tape measure

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KNOW THE RULES

Building Regulations (Approved Document K) set minimum tread depths and limits on nosing overhang for stairs. A simple like-for-like nosing swap doesn't normally need building control involvement, but changing the tread depth or profile significantly could count as a material alteration - check first if you're unsure.

SN-02Measure each tread and order materialsMeasure the width of every tread separately - stairs are rarely square, and treads near a wall or on a winder can differ by several mm. Measure the going depth too, so you know how far the nosing needs to overhang. Buy about 10% extra length for cutting mistakes, and order end caps for any tread with an open end.

12 each · Aluminium stair nosing (900mm length)

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2 pair · End caps (pair)

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SN-03Clear the stairs and remove any old nosingClear each tread of rugs, stair runners or old carpet edging before you start. If there's an old nosing or trim, prise it off with a pry bar, working from one end, and pull out any old nails, staples or screws. Fill any deep holes or damaged wood with filler and leave it to dry fully before fitting the new nosing.

1 each · Pry bar

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1 tub · Wood filler (330g)

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1 pack · Sandpaper (mixed grit pack)

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1 each · Dust sheet

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SN-04Check for cables and pipes before you drillStairs often hide wiring for doorbells, smoke alarms, understairs lights or a nearby consumer unit, so treat every tread as if something could be underneath. Run a cable and pipe detector along each tread near the wall and stringer before drilling, but don't rely on it completely - detectors miss deep cables and anything shielded by metal. If you have any doubt at all, isolate the circuit at the consumer unit before drilling, and find your stopcock (usually under the kitchen sink) and check it turns, so you can shut the water off fast if you hit a pipe.

1 each · Cable and pipe detector

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SN-05Cut the nosing to lengthMark each length using your tread measurements, then cut with a hacksaw for aluminium or a mitre saw for wood - a mitre box keeps the cut square. File or sand the cut edge smooth so it doesn't catch skin or tights. Dry-fit each piece on its tread before fixing anything, and trim again if it's tight.

1 each · Hacksaw

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1 each · Mitre box

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1 each · Fine metal file

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SN-06Fix the nosing to the treadFor aluminium nosing, drill pilot holes through the pre-punched holes into the tread, about 1mm smaller than the screw and 12-15mm deep - enough to bite the tread without going through into the riser below. Drive countersunk screws in; don't over-tighten, as aluminium can crack. For wooden nosing, run a bead of wood glue along the back edge, pin it in place, then punch the pins below the surface. For carpeted stairs, fix a metal carpet nosing bar with the gripper pins provided, tucking the carpet edge under before pinning down.

1 box · Countersunk screws (25mm, box of 50)

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1 bottle · Wood glue (250ml)

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1 box · Panel pins (box)

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1 each · Cordless drill/driver

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SN-07Fit the anti-slip insert strip (aluminium nosing only)Most aluminium nosings have a channel that takes a PVC or rubber anti-slip insert. Press the insert into the channel by hand, starting at one end and working along - it should click and sit flush. Trim any overhang flush with a sharp trimming knife.

12 each · PVC anti-slip insert strip (900mm)

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1 each · Trimming knife

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SN-08Finish the ends and match the surfaceFit end caps on any tread end left open, without a wall or spindle to hide the cut edge. On wooden nosing, sand any filled pin holes smooth once the filler is dry, then stain or varnish to match the rest of the stair. Wipe away dust before applying the finish.

1 tin · Wood stain/varnish (250ml)

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1 pack · Sandpaper (mixed grit pack)

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1 each · Cloth

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SN-09Work along the stairs, tread by treadFit one tread at a time, checking each nosing sits flush, level and doesn't rock before moving to the next. Keep the pattern and spacing consistent, especially on winders where treads aren't a standard shape. Stand on each finished tread carefully to check it feels solid before continuing.

1 each · Small spirit level

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SN-10Clean up and final checkVacuum each tread and the stairwell to clear metal filings, wood dust and offcuts - these are a slip hazard on stairs. Press firmly on every nosing and insert strip to confirm nothing lifts or moves. If you isolated the electrics or water earlier, turn them back on and check everything works normally.

1 pack · Bin bags (pack)

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